2483 results about "Raw water" patented technology

The invention discloses a modularized full-process high-quality direct drinking water treatment system and a control method, and belongs to the technical field of direct drinking water treatment.The modularized full-process high-quality direct drinking water treatment system is characterized in that an online sensor is deployed at a water inlet of a flocculation basin, raw water turbidity, temperature and flow parameters are collected in real time, and qualified samples are screened to construct a standardized water quality characteristic data set in combination with historical water quality and agent adding records; based on the data set, performing multi-dimensional clustering on historical water quality parameters, generating a characteristic working condition cluster, calculating a three-dimensional efficiency index, generating a dynamic dosage reference interval by using a sliding window confidence interval and a time decay factor, establishing a mapping relation between water quality characteristics and medicament dosage, and generating a graded dosage strategy; the transmembrane pressure difference and the membrane flux change rate are continuously monitored at the water inlet end in the membrane treatment stage, the membrane pollution trend is predicted through time sequence analysis, the prediction result is corrected according to the agent adding deviation, the precipitation effluent turbidity and the membrane inflow COD data, a cleaning early warning signal is generated, and graded response is performed according to the pollution degree.

A filter module for a gravity-type water-purifying device including a plurality of plate-shaped filter members, which are in a plate shape having a predetermined area, produce filtered water from raw water introduced from the outside, and are spaced apart from each other in parallel along one direction while one surface of each filter member faces each other at a predetermined; and a filtered-water integrating member for fixing one side of each of the plate-shaped filter members so that the plurality of plate-shaped filter members can be kept spaced apart from each other along one direction while facing each other, and for integrating and discharging the filtered water individually produced from each of the plurality of plate-shaped filter members.

The invention discloses an automatic dosing control method and device for removing hardness of industrial high-salinity wastewater. Comprising the following steps: collecting raw water quality parameters before medicament feeding, effluent water quality parameters after medicament feeding and medicament feeding amount as historical operation data; performing data cleaning and data standardization processing on the historical operation data to obtain a standard data set; training and testing the supervised learning model by adopting a standard data set to obtain an effluent quality prediction model; on the basis of the effluent quality prediction model, taking the raw water quality parameter and the medicament dosage as input quantities to obtain an effluent quality parameter prediction value; and based on the raw water quality parameter, the current agent dosage and the effluent quality parameter predicted value, dynamically adjusting the agent dosage by adopting a reinforcement learning model. According to the invention, full-automatic control from water quality monitoring to medicament adding is realized, manual intervention is not needed, the dosage can be automatically adjusted according to real-time water quality data, and the treatment efficiency and precision are remarkably improved.

The invention discloses an integrated process for cooperative treatment and up-to-standard discharge of industrial wastewater and domestic wastewater of a power plant, and relates to the field of cooperative treatment of wastewater and sewage, and the integrated process comprises the following steps: configuring a raw water collection system, setting a raw water source, configuring a multi-stage filtration and heating pretreatment process, configuring an ultrafiltration membrane system, and setting a fine filtration path. A first-stage reverse osmosis system is configured, reverse osmosis parameters are set, a second-stage reverse osmosis system is configured, a low-conductivity water treatment path is set, a mixed ion exchanger is configured, a desalted water output path is set, a standby pool body is set, and the adjusting capacity is set. A raw water collecting system, a multi-stage filtering and heating pretreatment process, an ultrafiltration membrane system, a first-stage reverse osmosis system, a second-stage reverse osmosis system, a mixed ion exchanger and a standby pool body are sequentially arranged in the process. The problems of unstable effluent quality, insufficient deep desalination capability and poor emergency regulation capability in a traditional power plant wastewater treatment mode can be effectively solved.

The invention discloses a sewage treatment drug delivery control method based on reinforcement learning and particle swarm optimization, and the method achieves the precise control of turbidity and the optimization of drug cost through the dynamic adjustment of particle swarm parameters and the fusion of a reinforcement learning strategy. According to the technical scheme, the method comprises the following steps: combining a PSO algorithm with a DDPG algorithm to construct a drug control model; designing a reward function; the empirical data with the state coverage rate higher than a first preset threshold value are stored in a full-reservation empirical pool, the empirical data with the current policy access larger than a second preset threshold value are reserved in a first-in first-out mode through a policy empirical pool, and mixed sampling is carried out according to a preset proportion; training a drug control model; and inputting the current turbidity value, the drug delivery amount of the last time step, the water inlet flow, the parameters of the water quality detection camera and the future turbidity value into a trained drug control model, and outputting the current drug delivery amount. Through prediction-control closed-loop integration, a raw water turbidity prediction result is fed back to the optimizer, and the method is suitable for real-time adaptive control of a sewage treatment system.

The invention discloses a nickel-containing etching wastewater treatment process, which belongs to the technical field of environmental protection, and comprises a raw water regulating tank, a pH pre-regulating tank, a heterogeneous catalytic oxidation tower, a neutralization coagulation tank, an inclined tube sedimentation tank and a clean water tank which are connected in sequence. According to the process, under the neutral condition, a catalyst loaded with cobalt manganese oxide is used for activating sodium hydrogen persulfate, high-activity sulfate free radicals are generated, a Ni-EDTA complex structure is fractured in a targeted mode, free nickel ions are released in situ, organic ligands are synchronously mineralized, and the adding amount of sodium hydrogen persulfate is dynamically adjusted through a clean water pool closed-loop control system; and high-purity nickel hydroxide precipitate is generated through alkaline precipitation and coagulation, so that efficient solid-liquid separation is realized. The treatment process disclosed by the invention is compact in flow and stable in operation, effectively solves the problems of difficult complex breaking, low nickel removal efficiency, high sludge toxicity, difficult resource recovery and the like when the EDTA complex nickel wastewater is treated by a traditional method, realizes closed-loop recovery of nickel resources, and has the remarkable advantages of low cost, high efficiency and environmental friendliness.

The utility model discloses a crystal film fluidized bed treatment system aiming at high-hardness water treatment, the system mainly comprises a crystallization fluidized bed and a multi-layer flat film microfiltration device, and the crystallization fluidized bed device is of an inner-layer and outer-layer cylinder structure and is provided with a slag discharge pipe, a water inlet pipe, an annular dosing pipe, an inclined pipe enhanced separation device and a water outlet pipe; the multi-layer flat membrane microfiltration equipment is provided with a water inlet pipe, a water outlet pipe, a buffer water tank, a cleaning mechanism, a metal membrane, a sludge tank and the like; when the system runs, high-hardness raw water firstly enters the crystallization fluidized bed for softening treatment, and then enters the multi-layer flat membrane microfiltration equipment for further removing hardness and turbidity after treatment; the adopted system combining the crystallization fluidized bed and the flat membrane microfiltration equipment can effectively remove the hardness and turbidity of water, flocculation and coagulation agents do not need to be added, the adverse effect of the coagulation agents on a subsequent membrane system is effectively avoided while the operation cost of the system is reduced, the hardness and turbidity of the water can be effectively removed, and the service life of the system is prolonged. Various ions in the water are synchronously removed.

The invention provides a salt-tolerant plant constructed wetland system for treating eutrophicated mariculture wastewater, which specifically comprises a lower filler formed by mineral materials, and a middle filler formed by modified zeolite, sodium alginate coated vermiculite, rice husk charcoal, oyster shell, coral sand and diatomite, the surface filler is composed of intertidal zone bottom mud, intertidal zone raw water, coastal saline-alkali soil and composite algae powder, and the three fillers are combined with salt-tolerant plant breeding, bow-shaped water flow optimization and layered collaborative design; the core problems of poor salt tolerance, low adsorption efficiency, easiness in blockage, high maintenance cost and the like of the traditional constructed wetland during treatment of the mariculture wastewater are systematically solved.

The utility model discloses a water treatment device adopting an ozone micro-nano bubble coupling electrochemical oxidation process. The water treatment device comprises an ozone generating device, a micro-nano bubble generating device, a BDD (Boron Drain Discharge) electrode unit and an air flotation filter tank device, the device has the following beneficial effects: (1) the Venturi jet device is adopted to release ozone micro-nano bubbles, so that wastewater and the micro-nano bubbles are fully stirred and mixed and are fully contacted with the BDD electrode for oxidative degradation, and the impact force formed by jet flow can wash the BDD electrode plate, so that the BDD electrode plate is prevented from being easily blocked; (2) an ozone micro-nano bubble technology and a BDD electrode technology are coupled to generate a synergistic effect, a large number of hydroxyl radicals are generated, the oxidation capacity is enhanced, the organic matter removal capacity is improved, and the sterilization, decoloration and deodorization capacities of the device on raw water are enhanced. And (3) the BDD is combined with an air flotation process, so that the occupied area is reduced, and the layout is optimized. And (4) fine particles in the water body are further removed by the air floatation superposition filter tank, and the concentration of suspended particulate matters is reduced.

The invention provides an intelligent chemical adding control method and system, equipment and a storage medium, and belongs to the technical field of intelligent control, the method is applied to a water treatment system, and the method comprises the following steps: based on raw water data, obtaining a first chemical adding amount through a chemical adding amount prediction model; generating an initial dosing amount instruction based on the first dosing amount, and sending the initial dosing amount instruction to a polyaluminum chloride dosing device and a sodium hypochlorite dosing device; obtaining the raw water ion concentration, alumen ustum form data and a floating current value after chemical adding, calculating a first difference value between the raw water ion concentration and a target ion concentration, calculating a second difference value between the alumen ustum form data and target alumen ustum form data, and calculating a third difference value between the floating current value and a target floating current value; and determining a target correction coefficient based on the first difference value, the second difference value and the third difference value, and updating the first dosage based on the target correction coefficient to obtain a second dosage. According to the invention, the dosing precision and adaptability can be improved.

The invention discloses an AI-based raw water pretreatment dosing intelligent control system and method, and relates to the technical field of artificial intelligence, and the system comprises a sensor layer, an edge calculation layer, a cloud platform layer and an execution layer. The sensor layer consists of a distributed sensor network, comprises a turbidity meter, a pH electrode, an electromagnetic flowmeter, a COD (Chemical Oxygen Demand) online monitor and a distributed optical fiber temperature measuring device, covers a raw water inlet, a mixing tank and a sedimentation tank node, and transmits a signal to the edge calculation layer through an RS485 bus. According to the raw water pretreatment dosing intelligent control system and method provided by the invention, through multi-modal data fusion and a dynamic prediction model, the water quality of raw water is accurately sensed and predicted, the dosing amount is adjusted in advance, the hysteresis of a coagulation reaction is effectively compensated, the standard reaching rate of the water quality is improved, and by utilizing an NSGA-II multi-target optimization algorithm, the quality of the raw water is effectively improved. The medicament cost and the treatment effect are balanced, excessive dosing of medicaments in a traditional mode is avoided, and the operation cost is reduced.

The invention discloses a regulation and control method for stably improving the water quality of water produced by a reverse osmosis system of a power plant, and relates to the field of water quality regulation and control, which comprises the following steps: configuring a water inlet flow regulation device, performing initial setting, configuring the position of an online sensor, performing data acquisition, setting judgment rules of turbidity, differential pressure and transmembrane pressure difference, and determining the water quality. And configuring a flocculant adding device and adding control logic, configuring a backwashing and adding linkage control state machine, and carrying out data smoothing, trend analysis and self-adaptive threshold adjustment. When the water quality of the raw water fluctuates for a short time or the pollution load is increased, dynamically adjusting the water inlet flow, the backwashing intensity and the flocculant adding concentration based on parameters such as turbidity, pollution index, conductivity and pressure difference which are acquired by an online sensor in real time; and meanwhile, the concentrated water reflux proportion and the high-pressure pump frequency are automatically corrected by continuously calculating the desalting rates of the first-stage and second-stage reverse osmosis devices, so that the running state of the membrane component is kept in an optimal interval.

The invention relates to the technical field of ammonia water preparation, in particular to a raw water reverse osmosis treatment device for ammonia water preparation, which comprises a shell, the shell is formed by fixing an upper shell and a lower shell, a water inlet pipe is fixed in the middle of the top of the shell, a high-pressure water inlet component is arranged at the top of the water inlet pipe, and a concentrated water outlet pipe is fixed in the middle of the bottom of the shell. A drain valve is fixedly mounted at the bottom of the concentrated water outlet pipe; and the water pressure stabilizing assembly is arranged at the top of the inner wall of the shell. A multi-level pressure regulation and control mechanism is constructed in the reverse osmosis process, the problem of instantaneous pressure impact when the high-pressure pump is started is solved, physical damage to the membrane is avoided, a dual anti-blocking system of active rotary cleaning and back flushing is constructed, the membrane blocking probability is greatly reduced, meanwhile, the impact force of water flow is fully weakened in the back flushing stage, and the reverse osmosis efficiency is improved. It is ensured that the reverse osmosis membrane bears stable pressure all the time, and the problem of secondary damage to the reverse osmosis membrane caused by too large instantaneous pressure in the backwashing stage is avoided.

The invention discloses a double-layer aeration system for preventing wire breakage and sludge deposition of an MBR double-layer component membrane pool, which comprises a raw water pool, a raw water inlet peristaltic pump, an MBR double-layer component membrane pool, a perforated aeration pipe, a pulse aeration box, an aeration pump, a gas meter, a water outlet gear pump, an ultrafiltration membrane component, a pressure sensor, a transmembrane pressure difference display, a sludge discharge peristaltic pump and a water outlet pool, the MBR double-layer assembly membrane pool comprises a first MBR membrane assembly and a second MBR membrane assembly, the first MBR membrane assembly and the second MBR membrane assembly are arranged in parallel, and the perforated aeration pipe and the pulse aeration box are configured to be used as aeration assemblies of the first MBR membrane assembly and the second MBR membrane assembly. According to the invention, the membrane is physically scrubbed by utilizing different aeration modes and a double-layer aeration mode, so that the phenomena of membrane pollution, sludge accumulation and wire breakage are effectively relieved, a reliable theoretical basis is provided for transforming an MBR membrane tank into a double-layer aeration mode in a water purification plant using the MBR hollow fiber membrane, and meanwhile, the method has important significance on reducing pollution and carbon.

The utility model discloses a prefilter which comprises a shell part and a filter element, the shell part is provided with a water inlet, a water outlet and a drain outlet, the filter element is arranged in the shell part and is matched with the shell part to form a raw water cavity communicated with the drain outlet and a purified water cavity communicated with the water outlet, a water inlet channel is arranged between the water inlet and the raw water cavity, and a water outlet channel is arranged between the water inlet and the purified water cavity. A backwashing channel is arranged between the water inlet and the water purification cavity, and a plugging piece for opening and closing the sewage draining exit is arranged at the sewage draining exit; and the water path switching mechanism is arranged on the shell part and is used for controlling the switching opening of the water inlet channel and the backwashing channel. When the pre-filter disclosed by the utility model is in a filtering state, the backwashing channel is in a closed state, so that if a backwashing filter screen is arranged on the backwashing channel, the backwashing filter screen cannot filter water flow in the filtering state, so that dirt on the backwashing filter screen can be reduced, and normal filtering of the backwashing filter screen in the backwashing state is ensured.

The invention relates to the field of water treatment intelligent dosing control, and provides an intelligent dosing control method and system based on multi-source data fusion and time sequence prediction.The method comprises the steps that a raw water working condition, colloid electrical property balance and floc form attribute set are extracted, and the basic dosing matching amount is determined; obtaining a dynamic delay constant according to the volume of the sedimentation tank and an instantaneous flow value, and generating a causal mapping sample set by combining the three types of attribute sets and effluent turbidity signals of the sedimentation tank; generating a dynamic weight factor sequence according to the causal mapping sample set, and performing point-by-point inner product on the causal mapping sample set to generate a process condition sensitive feature set; and generating a predicted effluent turbidity value based on the process working condition sensitive feature set, performing reverse game optimization through the effluent target turbidity, generating an agent supplementing correction increment, and performing amplitude limiting truncation in combination with the basic agent adding proportioning amount to generate an agent adding control instruction. According to the invention, multi-source heterogeneous working condition sensing features and space-time causal alignment logic are fused, and an intelligent dosing decision and feedback compensation closed-loop mechanism is constructed.

The bottom of the barrel cover is provided with a lower cavity with a downward opening, and the barrel cover is internally provided with a first raw water flow channel, a second raw water flow channel, a pure water flow channel, a waste water flow channel and a pure water flow channel. The lower cavity comprises a pure water insertion cavity positioned in the center, a wastewater cavity surrounding the exterior of the pure water insertion cavity, and a raw water cavity surrounding the exterior of the wastewater cavity; a first control valve for controlling the connection and disconnection of the first raw water flow channel according to the water pressure of the pure water flow channel and a second control valve for controlling the connection and disconnection of the second raw water flow channel according to the water pressure of the pure water flow channel are also arranged in the cylinder cover. According to the utility model, the water control flow channel is arranged on the cylinder cover, so that the cylinder cover can be conveniently connected with an external pipeline, the pressure sensor can be directly arranged on the cylinder cover, and the user experience is improved.

The invention relates to the field of direct drinking water of a fusion calculation model, and discloses a double-membrane mixing direct drinking water system and an operation method.The method comprises the steps that online data of a water supply end and a water quality monitoring end are collected for cleaning and time alignment, and a basic working condition data set is formed; the method comprises the following steps: establishing an operation characteristic model comprising water demand prediction, raw water quality prediction and membrane flux characteristic sub-models, calculating double-membrane target water yield and water quality indexes based on the model to generate a control parameter set, evaluating membrane pollution to generate an online cleaning task queue, performing joint simulation to generate a pressure stability control instruction set, and dynamically correcting the model. The conversion from passive response to active pre-judgment of the double-membrane mixing direct drinking water system is realized, and the operation stability, the water quality guarantee capability and the water-saving and energy-saving effects are improved.

The utility model relates to the technical field of water purification, in particular to a capacitive deionization filter element and water purification equipment. The capacitive deionization filter element comprises an electrode assembly, the electrode assembly comprises an insulating sheet and at least two layers of electrode plates, the insulating sheet and the electrode plates are arranged in a laminated mode, and the insulating sheet is clamped between the two adjacent layers of electrode plates; the electrode plate comprises a current collector layer and adsorption layers, and the adsorption layers are arranged on the front and back surfaces of the current collector layer; two adjacent layers of electrode plates are respectively configured as a positive plate and a negative plate, and a water passing channel for accommodating the insulating sheet is formed between the positive plate and the negative plate. The capacitive deionization filter element disclosed by the utility model is relatively simple in structure, simplifies the lamination arrangement process of the electrode assemblies, is convenient to process and produce, reduces the processing cost, and can ensure the purification treatment effect on raw water to a certain extent.

The invention discloses a method and system for removing algae pollutants in water, and relates to the technical field of water treatment and environmental protection, and the method comprises the following steps: obtaining algae floc characteristic parameters of target raw water, and determining an adaptive interval of floc and bubble attachment; coupling the adaptive interval with the real-time hydrolysis state of the flocculating agent, constructing a nonlinear mapping relation based on phase matching of hydrolysis hysteresis characteristics and floc bubble capturing gain response, and generating an adjustable control instruction; the dissolved air pressure and the micropore aeration intensity are dynamically adjusted according to the adjustable control instruction, so that the bubble particle size is matched with the floc structure; and mixing the matched micro-nano bubbles with the floc to generate a stable scum layer and complete solid-liquid separation. According to the method, the floc characteristics are obtained in real time, and the parameters of the air flotation system are dynamically adjusted, so that bubbles are matched with the floc to form a stable scum layer, solid-liquid separation is efficiently completed, and the problems of unstable scum and low separation efficiency of a traditional air flotation method are solved.

The utility model relates to a wall-mounted water purifier and a water path system used for the same. The water path system comprises a water inlet electromagnetic valve, at least two booster pumps and at least two reverse osmosis filter elements, the water inlet electromagnetic valve is connected to the raw water inlet end, pure water outlets of the reverse osmosis filter elements are connected to the pure water outlet end, and the reverse osmosis filter elements and the booster pumps are arranged between the water inlet electromagnetic valve and the pure water outlet end in parallel; each booster pump is correspondingly connected to each reverse osmosis filter element; the bypass unit comprises a bypass pipeline and a bypass switch, the bypass water inlet end of the bypass pipeline is connected between the raw water inlet end and the water inlet electromagnetic valve, and the bypass water outlet end of the bypass pipeline is connected between the reverse osmosis filter element and the pure water outlet end; the bypass switch is installed on the bypass pipeline and used for controlling connection or disconnection of the bypass water inlet end and the bypass water outlet end. Through the arrangement of the bypass unit, the at least two reverse osmosis filter elements and the booster pump, the requirements of normal water use, emergency water use and large-flow water use of a user are met.

The application discloses a bipolar membrane electrodialysis device, which comprises an outer box body and further comprises a liquid inlet mechanism, a plurality of electrodialysis mechanisms and a plurality of filtering mechanisms. The filtering mechanism comprises a filtering box, a driving filtering assembly and a liquid feeding assembly. The driving filtering assembly comprises a motor installed on the top of the filtering box, the output shaft of the motor is fixedly connected with a threaded rod, the outer periphery of the threaded rod is threadedly connected with a filtering plate slidingly connected to the inner wall of the filtering box, and the bottom inner wall of the filtering box is fixedly connected with a plurality of plug rods matched with filtering holes of the filtering plate. Raw water is delivered to the inside of the filtering box through the liquid inlet mechanism, is actively filtered without turbulence through the driving filtering assembly, is delivered to the corresponding electrodialysis mechanism through the liquid feeding assembly and is further subjected to electrodialysis treatment. The filtering plate and other components are arranged to filter out the solid impurities mixed in industrial glucose acid salt, so that the bipolar membrane electrodialysis process and the bipolar membrane body are not affected.

The utility model discloses a semi-automatic backwashing laminated filter. The external structure of the semi-automatic backwashing laminated filter comprises a handle, a filter base body, a water inlet, a water outlet, a laminated shell, a blow-down valve, a blockage indicator, a filter screen flushing valve and the like, the internal structure comprises a flow direction selector, a butterfly check valve, a laminated filter element, a rotational flow centrifugal disc, a laminated compression inner cover, a laminated compression outer cover, a spring between the laminated compression inner cover and the laminated compression outer cover and the like. The channel position of the flow direction selector is switched by rotating the handle, so that the switching between the filtering mode and the backwashing mode is realized. In a filtering mode, muddy water flows into a raw water cavity outside the lamination after being accelerated by the rotational flow centrifugal disc, impurities are intercepted, and clear water flows into a downstream pipeline; and in a backwashing mode, the water flow is sprayed out from the spraying holes in the filter element frame by pressing the position of the lamination for compressing the inner cover and loosening the lamination, so that impurities are eluted from the lamination and discharged through the blow-down valve. In addition, a filter screen is arranged on the flow direction selector to intercept impurities of flushing water, and the filter screen can be flushed in a filtering mode. The utility model has the advantages of convenient use and simple structure.

The utility model provides a mercury-containing organic wastewater treatment device in a Tibetan medicine processing process. The mercury-containing organic wastewater treatment device comprises a raw water tank, a micro-filtration membrane treatment unit, an electro-catalysis pretreatment unit, a mercury capturing and separating unit and a high-precision filtering unit which are sequentially connected, and the electro-catalysis pretreatment unit is further connected with a comprehensive waste gas purification unit; the mercury capture and separation unit comprises a chalcogenide reaction tank, a PAM reaction tank and a clarification tank which are communicated in sequence; the chalcogenide reaction tank is connected with a chalcogenide dosing device; and the PAM reaction tank is connected with a PAM dosing device. According to the utility model, the processes of filtration, electro-catalysis pretreatment, heavy metal capture, targeted adsorption and solid-liquid separation are adopted to treat a large amount of high-mercury, high-chromaticity, high-suspended-matter and high-COD wastewater generated in the Tibetan medicine zogtai processing process, so that the organic matter content of a water sample can be greatly reduced, the chromaticity of water is reduced, the suspended matter in water is removed, and the mercury concentration in water is reduced.

The invention discloses a water level prediction method based on an improved intelligent algorithm, a readable storage medium and a device, and belongs to the technical field of water level prediction.The method comprises the steps that normalization preprocessing is conducted on original hydrological data of multi-source information, and an original water level sequence is obtained; performing VMD decomposition on the original water level sequence to decompose the original water level sequence into modal components; inputting the modal component into an LSTM model to construct a prediction model; and inputting an original water level sequence of recent multiple days into the prediction model, generating a predicted value of a future date based on an iteration mode, and restoring to obtain real water level data through reverse normalization processing. A computer program is stored in the readable storage medium, and the method is carried out when the computer program is executed. The apparatus includes a memory, a processor, and a terminal program stored in the memory and operable in the processor. Water level influence factors can be comprehensively considered, multiple variables are fused, the water level condition closer to the reality is obtained through analysis, and the water level prediction precision is improved.

The utility model discloses a filter element, an intelligent water purifier and a backwashing method of the intelligent water purifier, the filter element comprises a shell, a filter membrane assembly and a positioning terminal, and the positioning terminal abuts against and prevents the inlet end face of the filter membrane assembly from being extruded by reverse water flow to move, twist, deform and damage; the intelligent water purifier comprises a controller, a filter element, a purified water pressure tank, an electromagnetic valve and a water pump, the water pump presses raw water or seawater into the filter element for purification, and produced purified water is pressed into the purified water pressure tank; the filter element backwashing method further comprises a high-pressure switch, a pollution discharge throttle valve and a pollution discharge electromagnetic valve, the high-pressure switch triggers the controller to open the pollution discharge electromagnetic valve, and sewage is discharged through the pollution discharge throttle valve, so that purified water released by the purified water pressure tank is divided into two paths to appropriately flow back to the backwashing filter element. According to the intelligent water purifier, the filter element and the method for backwashing the filter element, the effects of saving water and reducing emission can be achieved, the purpose that the filter element can filter for a long time and does not need to be replaced is achieved, consumption of the multi-stage filter element is reduced, and the problem of peculiar smell caused by a traditional dirt hiding and containing filtering mode is solved.

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.

The invention relates to the technical field of water treatment, in particular to a prawn fry raw water biological filter treatment device. According to the technical scheme, the device comprises a pretreatment box, a disinfection box, an adjusting plate, a fine treatment box, a motor and a purification box, a screw is arranged at the output end of the motor, a nut in threaded installation with the screw is arranged at the upper end of the adjusting plate, the outer wall of the adjusting plate is sleeved with an air bag, an air pump is arranged at the upper end of the adjusting plate, and the air pump and the air bag are communicated and provided with an air supply pipe; a pressure relief valve is arranged in the air supply pipe, a disinfection box is arranged on one side of the lower portion of the fine treatment box, sealing gaskets are arranged on the inner wall of the fine treatment box and the outer wall of the purification box, overflow holes are formed in the side wall of the lower end of the purification box, and a filter material layer is arranged in the purification box. Through modular design, the efficiency and economical efficiency of prawn fry raw water treatment are remarkably improved, and the problems that a large-area biological filter cannot flexibly adjust the treatment capacity and is difficult to adapt to different scale requirements are solved.

The utility model provides a water purifier. The water purifier comprises a filter element assembly, a shell, a conductivity sensor and a turbidity sensor, the filter element assembly is arranged in the shell, and a filter cavity is formed between the filter element assembly and the shell; the shell is provided with a water inlet and a water outlet, the water inlet is communicated with the filter chamber, a filter inlet of the filter element assembly is communicated with the filter chamber, and a filter outlet of the filter element assembly is communicated with the water outlet; the conductivity sensor is arranged at the water inlet, the turbidity sensor is arranged on the shell or the filter element assembly, and the detection end of the turbidity sensor is used for detecting the quality of raw water in the filter cavity. According to the utility model, through dual monitoring of the conductivity sensor and the turbidity sensor, the attenuation slope is obtained by fitting conductivity and turbidity data, and the attenuation slope is compared with a filter element service life attenuation slope database, so that the service life of the filter element can be predicted more accurately.

The invention discloses a water treatment method and equipment based on analogue simulation and deep learning and a medium, and relates to the technical field of urban water supply systems and water treatment. The method comprises the steps of obtaining design data related to water treatment plant facilities, and based on the design data, performing simulation modeling on the water treatment whole-process facilities to obtain a facility simulation model; obtaining process data related to processes of the water treatment plant, and performing reaction simulation on the facility simulation model based on the process data to obtain a water treatment simulation model; the method comprises the following steps: acquiring raw water quality data and equipment state data of a water treatment plant in real time, and inputting the raw water quality data and the equipment state data into a pre-trained deep reinforcement learning controller to generate a facility or process control instruction; and inputting the facility or process control instruction into the water treatment simulation model for execution, and monitoring effluent quality data in real time so as to dynamically adjust a control strategy according to the effluent quality data.